import axios from "axios";
import { ElMessage } from 'element-plus'
import 'element-plus/theme-chalk/el-message.css'
import { useUserStore } from "@/stores/user";
//因为这是js文件所以无法引用vue组件vue-router  无法使用 import { useRouter } from 'vue-router'
//useRouter是一个Vue 3中的Composition API函数，它只能在Vue 3组件的setup函数中使用
import router from '@/router'
// 创建axios实例
const httpInstance = axios.create({
  baseURL: 'http://pcapi-xiaotuxian-front-devtest.itheima.net',
  timeout: 5000
})

// axios请求拦截器
httpInstance.interceptors.request.use(config => {
  //1.从pinia获取token数据
  //2.按照后端的要求拼接token数据
  const userStore = useUserStore()
  const token = userStore.userInfo.token
  if (token) {
    config.headers.Authorization = `Bearer ${token}`
  }
  return config
}, e => Promise.reject(e))

// axios响应式拦截器
httpInstance.interceptors.response.use(res => res.data, e => {
  //统一错误提示
  ElMessage.error({
    type: 'warning',
    message: e.response.data.message
  })
  //401token失效处理
  if (e.response.status === 401) {
    //清除token
    const userStore = useUserStore()
    userStore.logout()
    router.push('/login')
  }
  return Promise.reject(e)
})


export default httpInstance